export function setCookie(c_name,value,expire) {
    var date = new Date()
    date.setSeconds(date.getSeconds() + expire)
    document.cookie = c_name+ "="+escape(value)+"; expires="+date.toGMTString()
}
 
export function getCookie(c_name){
    if (document.cookie.length>0){
	let c_start=document.cookie.indexOf(c_name + "=")
		if (c_start!=-1){ 
			c_start=c_start + c_name.length+1 
			let c_end=document.cookie.indexOf(";",c_start)
			if (c_end==-1) c_end = document.cookie.length
			return unescape(document.cookie.substring(c_start,c_end))
		} 
	}
    return ""
}
 
export function delCookie(c_name){
    setCookie(c_name, "", -1)
}